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NCP1560 Datasheet(PDF) 6 Page - ON Semiconductor |
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NCP1560 Datasheet(HTML) 6 Page - ON Semiconductor |
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NCP1560 http://onsemi.com 6 ELECTRICAL CHARACTERISTICS (Vin = 48 V, VAUX = 12 V, VEA = 2 V, RT = 101 kW, CCSKIP = 6800 pF, RD = 60.4 kW, RFF = 432 kW, for typical values TJ = 25°C, for min/max values, TJ = -40°C to 125°C, unless otherwise noted) Characteristic Symbol Min Typ Max Unit START-UP CONTROL AND VAUX REGULATOR VAUX Regulation Start-up Threshold/VAUX Regulation Peak (VAUX increasing) Minimum Operating VAUX Valley Voltage After Turn-On Hysteresis VAUX(on) VAUX(off) VH 10.5 6.6 - 11.0 7.0 4.0 11.5 7.4 - V Minimum Start-up Voltage (Pin 1) ISTART = 1.0 mA, VAUX = VAUX(on) - 0.2 V VSTART(min) - 19.3 21.5 V Start-up Circuit Output Current VAUX = 0 V TJ = 25°C TJ = -40°C to 125°C VAUX = VAUX(on) - 0.2 V TJ = 25°C TJ = -40°C to 125°C ISTART 13 10 10 8 17.5 - 13.8 - 21 25 17 19 mA Start-up Circuit Off-State Leakage Current (Vin = 150 V) TJ = 25°C TJ = -40°C to 125°C ISTART(off) - - 23 - 50 100 mA Start-up Circuit Breakdown Voltage (Note 2) ISTART(off) = 50 mA, TJ = 25°C V(BR)DS 150 - - V Auxiliary Supply Current After VAUX Turn-On Outputs Disabled VEA = 0 V VUV/OV = 0.7 V Outputs Enabled IAUX1 IAUX2 IAUX3 - - - 2.7 1.3 4.6 5.0 2.5 6.5 mA LINE UNDER/OVERVOLTAGE DETECTOR Undervoltage Threshold (Vin Increasing) VUV 1.40 1.52 1.64 V Undervoltage Hysteresis VUV(H) 0.080 0.098 0.120 V Overvoltage Threshold (Vin Increasing) VOV 3.47 3.61 3.75 V Overvoltage Hysteresis VOV(H) - 0.145 - V Undervoltage Propagation Delay to Output tUV - 250 - ns Overvoltage Propagation Delay to Output tOV - 160 - ns CURRENT LIMIT Cycle by Cycle Threshold Voltage ILIM1 0.44 0.48 0.52 V Propagation Delay to Output (VEA = 2.0 V) VCS = ILIM1 to 2.0 V, measured when VOUT reaches 0.5 VOH tILIM - 90 150 ns Cycle Skip Threshold Voltage ILIM2 0.54 0.57 0.62 V Cycle Skip Charge Current (VCSKIP = 0 V) ICSKIP 8.0 12.3 15 mA 2. Guaranteed by design only. |
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